Agriculture
December 27, 2023
CycloClean
Read SolutionImplemented by
Nippon Basic Co. Ltd.
Updated on January 20, 2024
·Created on August 31, 2018
Solray is a solar water heating device that heats water up to 83ºC, increasing its safety to drinking, cooking, and washing.
Discontinued in 2012, SolRay is a solar water heater device that heats water up to 83ºC, making it drinkable, safe to cook and wash by eliminating voltaic cells from the water. The product was developed by Technology for Tomorrow (t4t)’s workforce based in Kampala (Uganda) and distributed across Uganda until 2012.
The product cost includes installation labor but excluding transport, plumbing materials, and cold water reservoir
Target SDGs
SDG 7: Affordable and Clean Energy
SDG 6: Clean Water and Sanitation
Market Suggested Retail Price
$1,800.00
Target Users (Target Impact Group)
Community
Distributors / Implementing Organizations
Technology for Tomorrow
Competitive Landscape
Direct competitors include Solvatten Solar Safe Water System.
Manufacturing/Building Method
The Solray solar water heater device is individually manufactured by t4t in their workforce based in Kampala, Uganda.
Intellectural Property Type
Trade Secret
User Provision Model
Users can obtain this product directly from the manufacturer.
Distributions to Date Status
57 devices have been distributed, from which 30 are in schools in Wakiso and Luweero districts and 27 in across households in Kampala, Uganda. Interview with representative
System dimensions (m)
0.25(width)x0.4(length)x0.012(depth)
Capacity (L/min)
Unknown
Description of heater
Passive
Description of auxiliary heating sources
Unknown
Water output temperature (deg C)
83ºC
Storage tank capacity (L)
Unknown
Design Specifications
Design specifications include a water tank (12 depth x 250 width x 400 length mm) made from galvanized or mild steel plate with a glass sheet cover, and both the tank and glass are enclosed in a wooden box. Above the wooden box is a water reservoir or a connection to a water supply. The hot water that comes from the box can reach up to 80 ºC.Interview with representative The water tank can be used alone or connected in series to multiple tanks.
Technical Support
The solar water heater is installed by t4t, technical support is unknown. However, for further support users must contact the manufacturer.
Replacement Components
Available from the manufacturer.Interview with representative
Lifecycle
5 - 7 years. Over 7 years when galvanized steel is used.Interview with representative
Manufacturer Specified Performance Parameters
None
Vetted Performance Status
The manufacturer found that the product needed to improve the circulation of the water through the hot reservoir and that it should be constructed with materials that don't easily rust, such as galvanized steel metal sheets.Interview with representative The temperature of the water was an average of 65ºC with a high of about 80ºC. The product didn't rust for about 2-3 years.Interview with representative
Safety
There are no potential hazards reported to the use of this product. To pasteurize drinking water, the water must be heated to 55ºC. This requirement is exceeded with this device as it heats water up to 83ºC.
Complementary Technical Systems
None
Academic Research and References
None
Compliance with regulations
None
Evaluation methods
None
Other Information
The production of this product has been suspended since 2012.Interview with representative t4t commercializes sanitary pads made from papyrus and paper waste (called Makapads) and interlocking stabilized soil blocks (ISSBS), stronger and more durable than the traditional fired brick. Some case examples can be seen on the organization's Facebook page.
Agriculture
December 27, 2023
Implemented by
Nippon Basic Co. Ltd.
Agriculture
January 3, 2024
Implemented by
Grundfos
Agriculture
December 21, 2023
Implemented by
AID Foundation Inc. (AIDFI)
Agriculture
December 26, 2023
Implemented by
SOUTHERN CROSS INDUSTRIES
Agriculture
December 27, 2023
Implemented by
SunPumps
Agriculture
January 16, 2024
Implemented by
Solvatten
Agriculture
December 27, 2023
Implemented by
STAMP Investments
Agriculture
January 25, 2024
Implemented by
Katadyn Group
Agriculture
January 25, 2024
Implemented by
MuchMoreWater
Agriculture
February 5, 2024
Implemented by
CalWave
Have thoughts on how we can improve?
Give Us Feedback